maybe frost's update was blocked by your security software? you can't enter the game without valid game / frost binaries.
lineageii.exe 0.0.0.24 frost updater 0.0.0.6 frost_32.sys 4.7.0.5 frostcollector 1.2.1.7 frostprotector 1.2.1.2 gameshielddll.dll 9.7.1.20